Universal four-way valve

Abstract

The utility model discloses a universal four-way valve which comprises a valve body, a valve element and a rotating shaft. A cylindrical cavity is formed in the valve body, four connectors are evenly distributed outside the valve body around the axis, and each connector is communicated with the cavity. The valve element is rotatably installed in the cavity in a matched mode, the valve element comprises two end pieces located at the two ends respectively and six valve pieces connected between the end pieces at the two ends and distributed in sequence, the end pieces are round and attached to the end face and the inner wall of the cavity, and the valve pieces are parallel to the axis, extend to the edges of the end pieces on the two sides and are flush with the edges of the end pieces. The fourth valve plate is a plane and located at the axis, the first three valve plates and the second two valve plates are located on the two sides of the fourth valve plate respectively, the face penetrating through the axis and perpendicular to the fourth valve plate is a reference face, and the valve plates are symmetrical about the reference face; the rotating shaft is fixedly arranged at the axis of the valve element, penetrates through the two ends of the valve body in a matched mode and is used for driving the valve element to rotate, and any two connectors and any three connectors can be communicated by rotating the valve element. The four-way valve can adapt to more complex working conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to a valve, concretely relates to a universal four-way valve. BACKGROUND

[0002] The four-way valve can realize the on-off regulation between four pipelines, is suitable for complex pipeline system working condition conversion control, therefore it is usually used in the refrigeration air conditioning system, changes the flow direction of high-pressure gaseous refrigerant between the condenser and the evaporator through the displacement or rotation of the valve core in the valve, thereby changes the working mode of the air conditioner.

[0003] The current four-way valve can only realize the communication of the adjacent two pipelines, cannot realize the communication of any two pipelines, and cannot realize the communication of any three pipelines, therefore, for more complex working conditions, a set of four-way valve cannot meet the requirements, and multiple sets of four-way valves need to be set to meet the requirements: for example, the patent 2024101476288 discloses an internal and external circulation integrated heat pump drying device and an intelligent control system thereof, has four ventilation pipelines of air supply, return air, exhaust air and fresh air, has modes of external circulation ventilation, external circulation heating, external circulation heat recovery heating, internal circulation ventilation, internal circulation heating and internal circulation dehumidification heating, some modes need to close some specified pipelines, some modes need to connect some specified two pipelines, some modes need to connect some specified three pipelines, so four sets of four-way devices are needed, and the four ventilation pipelines of each four-way device need to be connected or disconnected by more than two controls, which not only makes the system complex, but also needs multiple valve combinations for on-off operation, which is time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of universal four-way valve, the universal four-way valve can realize that any two interfaces are communicated, any three interfaces are communicated by rotating valve core, can adapt to more complex working conditions, reduce the complexity of system, reduce the workload of operation.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a universal four-way valve, including valve body, valve core and pivot, the inside of valve body is equipped with cylindrical cavity, and the outside is uniformly distributed with four interfaces around the axis, and each interface is communicated with the cavity, the valve core is rotatably installed in the cavity, the valve core includes two end pieces located at both ends respectively and six valve pieces connected between the two end pieces and distributed in turn, the end piece is circular and is attached with the end surface and the inner wall of the cavity, the valve piece is parallel to the axis and extends to the edge of the end piece and is flush on both sides, the fourth valve piece is a plane and is at the axis, the front three valve pieces and the back two valve pieces are located on both sides of the fourth valve piece, the plane through the axis and perpendicular to the fourth valve piece is a reference plane, and the valve piece is symmetrical about the reference plane, the pivot is fixedly arranged at the axis of the valve core and is matched with the both ends of the valve body, and the pivot is used to drive the valve core to rotate, and any two interfaces are communicated through the rotation of the valve core, and any three interfaces are communicated.

[0007] Preferably, the valve pieces are valve piece one, valve piece two, valve piece three, valve piece four, valve piece five and valve piece six from front to back, valve piece one, valve piece two, valve piece three, valve piece five, valve piece six are arc planes, the arc directions of the front three valve pieces and the back two valve pieces are opposite, the arc centers of the cross section projections of valve piece one, valve piece two and valve piece three are at the same position D1, the arc centers of the cross section projections of valve piece five and valve piece six are at the same position D2, the axis of the cross section projection is D0, the end points of the cross section projection line of valve piece one are A1 and B1, the end points of the cross section projection line of valve piece two are A2 and B2, the end points of the cross section projection line of valve piece three are A3 and B3, the end points of the cross section projection line of valve piece four are A4 and B4, the end points of the cross section projection line of valve piece five are A5 and B5, the end points of the cross section projection line of valve piece six are A6 and B6, and the following conditions are met: ∠A1D0B1=∠A6D0B6=45°, ∠A2D0B2=90°, ∠A3D0B3=∠A5D0B5=135°, ∠B1D0B2=∠B2D0B3=∠B3D0B4=B4D0B5=22.5°, ∠D1B1D0=145°, ∠D1B2D0=115°, ∠D1B3D0=90°, ∠D2B6D0=145°, and ∠D2B5D0=90°.

[0008] Preferably, the reference plane is in the initial position of the valve core when it is in a horizontal state, and the left, upper, right and lower interfaces are interface one, interface two, interface three and interface four respectively.

[0009] When the valve core is in the initial position, i.e., the rotation angle is 0°, interface two is communicated with interface four.

[0010] When the valve core is counterclockwise rotated between 0° and 22.5°, interface two is communicated with interface three and interface four respectively.

[0011] When the valve core is counterclockwise rotated at 22.5°, interface two is communicated with interface three.

[0012] When the valve core is rotated counterclockwise at 45°, port two is communicated with port three, and port one is communicated with port four;

[0013] When the valve core is rotated counterclockwise at 67.5°, port two is communicated with port three;

[0014] When the valve core is rotated counterclockwise between 67.5° and 90°, port one and port two are respectively communicated with port three;

[0015] When the valve core is rotated counterclockwise at 90°, port one is communicated with port three;

[0016] When the valve core is rotated counterclockwise at 112.5°, port one is communicated with port two;

[0017] When the valve core is rotated counterclockwise at 135°, port one is communicated with port two, and port three is communicated with port four;

[0018] When the valve core is rotated counterclockwise at 157.5°, port one is communicated with port two;

[0019] When the valve core is rotated counterclockwise between 157.5° and 180°, port two is respectively communicated with port one and port four;

[0020] When the valve core is rotated counterclockwise at 180°, port two is communicated with port four;

[0021] When the valve core is rotated counterclockwise at 202.5°, port one is communicated with port four;

[0022] When the valve core is rotated counterclockwise at 225°, port one is communicated with port four, and port two is communicated with port three;

[0023] When the valve core is rotated counterclockwise at 247.5°, port one is communicated with port four;

[0024] When the valve core is rotated counterclockwise between 247.5° and 270°, port one is respectively communicated with port three and port four;

[0025] When the valve core is rotated counterclockwise at 270°, port one is communicated with port three;

[0026] When the valve core is rotated counterclockwise at 292.5°, port three is communicated with port four;

[0027] When the valve core is rotated counterclockwise at 315°, port one is communicated with port two, and port three is communicated with port four;

[0028] When the valve core is rotated counterclockwise at 337.5°, port two is communicated with port four;

[0029] When the valve core is rotated counterclockwise at 360°, the initial state is restored, and port two is communicated with port four.

[0030] Preferably, the valve body is spliced by two end plates and four folded plates, the end plates are distributed at two ends, the four folded plates are connected between the two end plates and are evenly distributed around the shaft, the end of the folded plate is aligned with the edge of the end plate along the line, and the two end plates and the four folded plates form a cavity inside, and the interfaces are formed between adjacent folded plates.

[0031] Preferably, the rotating shaft is connected with the motor and is driven by the motor.

[0032] Preferably, the rotating shaft is connected with the manual operating part and is driven by the manual operating part.

[0033] The beneficial effects of the utility model are:

[0034] The universal four-way valve can realize communication of any two interfaces and any three interfaces through the rotating valve core, can adapt to more complex working conditions, and reduces the complexity of the system and the operation workload. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 is the perspective view of the universal four-way valve in the embodiment of the utility model.

[0036] Figure 2 is the perspective view of the valve body in the embodiment of the utility model.

[0037] Figure 3 is the exploded view of the valve body in the embodiment of the utility model.

[0038] Figure 4 is the perspective view of the valve core in the embodiment of the utility model.

[0039] Figure 5 is the exploded view of the valve core in the embodiment of the utility model.

[0040] Figure 6 is the cross-sectional view of the valve core in the embodiment of the utility model.

[0041] Figure 7 is the communication condition diagram of the universal four-way valve in different rotation angles in the embodiment of the utility model.

[0042] In the drawing: 1-valve body;11-end plate;12-folded plate;2-valve core;21-end piece;22-valve piece;3-rotating shaft. DETAILED DESCRIPTION

[0043] The application will be further described below in combination with the drawings and embodiments.

[0044] The embodiment discloses a universal four-way valve, as shown in the drawing, comprising a valve body 1, a valve core 2 and a rotating shaft 3;As shown in the drawing, Figure 1 Figures 1 to 3 ​As shown in the figure, the inside of the valve body 1 is provided with a cylindrical cavity, and the outside is uniformly provided with four interfaces around the axis, each of which is in communication with the cavity. Figure 1 , Figures 4 to 6 As shown in the figure, the valve core 2 is rotatably installed in the cavity at any angle, and the valve core 2 includes two end pieces 21 and six valve pieces 22. The two end pieces 21 are located at both ends, and the six valve pieces 23 are connected between the two end pieces 21 and are distributed in sequence. The end piece 21 is circular and fits the end face and inner wall of the cavity. The valve piece 22 is parallel to the axis and extends to the edge of the end piece 21 on both sides and is flush. The fourth valve piece 22 is a plane and is at the axis. The first three valve pieces 22 and the last two valve pieces 22 are located on both sides of the fourth valve piece 22. A reference surface is provided through the axis and perpendicular to the fourth valve piece 22. The valve piece 22 is symmetrical about the reference surface. Figure 1 As shown in the figure, the shaft 3 is fixed at the axis of the valve core 2 and passes through the two ends of the valve body 1. The shaft 3 is used to drive the valve core 2 to rotate. By rotating the valve core 2, any two interfaces can be communicated, and any three interfaces can be communicated.

[0045] As shown in the figures Figure 2 and Figure 3 In this embodiment, the valve body 1 is spliced by two end plates 11 and four folded plates 12. The end plates 11 are distributed at both ends, and the four folded plates 12 are connected between the two end plates 11 and are uniformly distributed around the axis. The end of the folded plate 12 is aligned with the edge of the end plate 11 along the line. The two end plates 11 and the four folded plates 12 form a cavity inside, and the interfaces are formed between adjacent folded plates 12. During installation, the valve core 2 can be placed first, and then each end plate 11 and folded plate 12 can be installed and spliced around the valve core 2.

[0046] As shown in the figure Figure 6As shown, in the present embodiment, the valve pieces 22 are arranged in the order of valve piece one, valve piece two, valve piece three, valve piece four, valve piece five and valve piece six from front to back. The valve piece one, valve piece two, valve piece three, valve piece five and valve piece six are all arc-shaped planes. The arc-shaped directions of the front three valve pieces 22 and the back two valve pieces 22 are opposite. The centers of the arc lines of the valve piece one, valve piece two and valve piece three are at the same position D1. The centers of the arc lines of the valve piece five and valve piece six are at the same position D2. The axis of the cross-sectional projection is DO. The end points of the cross-sectional projection line of the valve piece one are A1 and B1. The end points of the cross-sectional projection line of the valve piece two are A2 and B2. The end points of the cross-sectional projection line of the valve piece three are A3 and B3. The end points of the cross-sectional projection line of the valve piece four are A4 and B4. The end points of the cross-sectional projection line of the valve piece five are A5 and B5. The end points of the cross-sectional projection line of the valve piece six are A6 and B6. There are: ∠A1D0B1 = ∠A6D0B6 = 45°, ∠A2D0B2 = 90°, ∠A3D0B3 = ∠A5D0B5 = 135°, ∠B1D0B2 = ∠B2D0B3 = ∠B3D0B4 = B4D0B5 = 22.5°, ∠D1B1D0 = 145°, ∠D1B2D0 = 115°, ∠D1B3D0 = 90°, ∠D2B6D0 = 145°, and ∠D2B5D0 = 90°.

[0047] As Figure 7As shown, in the present embodiment, the reference surface is in the initial position of the valve core 2 when it is in a horizontal state, and the left, upper, right and lower interfaces are interfaces one, two, three and four respectively: when the valve core 2 is in the initial position, i.e. the rotation angle is 0°, the interface two is communicated with the interface four; when the valve core 2 is counterclockwise rotated between 0° and 22.5°, the interface two is communicated with the interface three and the interface four respectively; when the valve core 2 is counterclockwise rotated at 22.5°, the interface two is communicated with the interface three; when the valve core 2 is counterclockwise rotated at 45°, the interface two is communicated with the interface three, and the interface one is communicated with the interface four; when the valve core 2 is counterclockwise rotated at 67.5°, the interface two is communicated with the interface three; when the valve core 2 is counterclockwise rotated between 67.5° and 90°, the interface one and the interface two are communicated with the interface three respectively; when the valve core 2 is counterclockwise rotated at 90°, the interface one is communicated with the interface three; when the valve core 2 is counterclockwise rotated at 112.5°, the interface one is communicated with the interface two; when the valve core 2 is counterclockwise rotated at 135°, the interface one is communicated with the interface two, and the interface three is communicated with the interface four; when the valve core 2 is counterclockwise rotated at 157.5°, the interface one is communicated with the interface two; when the valve core 2 is counterclockwise rotated between 157.5° and 180°, the interface two is communicated with the interface one and the interface four respectively; when the valve core 2 is counterclockwise rotated at 180°, the interface two is communicated with the interface four; when the valve core 2 is counterclockwise rotated at 202.5°, the interface one is communicated with the interface four; when the valve core 2 is counterclockwise rotated at 225°, the interface one is communicated with the interface four, and the interface two is communicated with the interface three; when the valve core 2 is counterclockwise rotated at 247.5°, the interface one is communicated with the interface four; when the valve core 2 is counterclockwise rotated between 247.5° and 270°, the interface one is communicated with the interface three and the interface four respectively; when the valve core 2 is counterclockwise rotated at 270°, the interface one is communicated with the interface three; when the valve core 2 is counterclockwise rotated at 292.5°, the interface three is communicated with the interface four; when the valve core 2 is counterclockwise rotated at 315°, the interface one is communicated with the interface two, and the interface three is communicated with the interface four; when the valve core 2 is counterclockwise rotated at 337.5°, the interface two is communicated with the interface four; when the valve core 2 is counterclockwise rotated at 360°, it returns to the initial state, and the interface two is communicated with the interface four.

[0048] In the present embodiment, the rotating shaft 3 can be connected with and driven by the motor, and the rotating shaft 3 can also be connected with and driven by the manual operating part. In general, the universal four-way valve can be manually driven or electrically driven, and the specific condition is set according to the actual needs. In order to facilitate the control, the motor driving is preferred.

[0049] The universal four-way valve can realize the communication of any two interfaces or any three interfaces through the rotation of the valve core 2, and compared with the current four-way valve, it can adapt to more complex working conditions, reduce the complexity of the system and the workload of the operation.

[0050] The embodiments described above are only part of the embodiments of the present application, rather than all the embodiments. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

Claims

1. A universal four-way valve characterized by: The utility model provides a valve, including valve body, valve core and pivot, the inside of valve body is equipped with cylindrical cavity, and the outside is uniformly distributed with four interfaces around the axle center, and each interface is communicated with the cavity, the valve core is rotatably installed in the cavity, and the valve core includes two end pieces located at both ends and six valve pieces connected between the two end pieces and distributed in turn, the end piece is circular and is attached with the end surface and the inner wall of the cavity, the valve piece is parallel to the axle center and extends to the edge of the end piece and is flush on both sides, the fourth valve piece is a plane and is at the axle center, the first three valve pieces and the last two valve pieces are located on both sides of the fourth valve piece, the plane perpendicular to the fourth valve piece is set as the reference plane, and the valve piece is symmetrical about the reference plane, the pivot is fixedly arranged at the axle center of the valve core and is matched with the both ends of the valve body, and the pivot is used to drive the valve core to rotate, and any two interfaces can be communicated and any three interfaces can be communicated by rotating the valve core.

2. The universal four-way valve of claim 1, wherein: The valve piece is sequentially valve piece one, valve piece two, valve piece three, valve piece four, valve piece five and valve piece six from front to back, valve piece one, valve piece two, valve piece three, valve piece five and valve piece six are arc planes, the arc directions of the first three valve pieces and the last two valve pieces are opposite, the arc center of the cross section projection of valve piece one, valve piece two and valve piece three is at the same position D1, the arc center of the cross section projection of valve piece five and valve piece six is at the same position D2, the cross section projection axis is DO, the end points of the cross section projection line of valve piece one are A1 and B1, the end points of the cross section projection line of valve piece two are A2 and B2, the end points of the cross section projection line of valve piece three are A3 and B3, the end points of the cross section projection line of valve piece four are A4 and B4, the end points of the cross section projection line of valve piece five are A5 and B5, the end points of the cross section projection line of valve piece six are A6 and B6, and the following conditions are met: angle A1D0B1=angle A6D0B6=45 degrees, angle A2D0B2=90 degrees, angle A3D0B3=angle A5D0B5=135 degrees, angle B1D0B2=angle B2D0B3=angle B3D0B4=B4D0B5=22.5 degrees, angle D1B1D0=145 degrees, angle D1B2D0=115 degrees, angle D1B3D0=90 degrees, angle D2B6D0=145 degrees, and angle D2B5D0=90 degrees.

3. The universal four-way valve of claim 2, wherein: The reference plane is in the initial position of the valve core when being in the horizontal state, and the left, upper, right and lower interfaces are interface one, interface two, interface three and interface four respectively. When the valve core is in the initial position, i.e. the rotation angle is 0 degrees, interface two is communicated with interface four; When the valve core is counterclockwise rotated between 0 degrees and 22.5 degrees, interface two is communicated with interface three and interface four respectively; When the valve core is counterclockwise rotated at 22.5 degrees, interface two is communicated with interface three; When the valve core is counterclockwise rotated at 45 degrees, interface two is communicated with interface three, and interface one is communicated with interface four; When the valve core is counterclockwise rotated at 67.5 degrees, interface two is communicated with interface three; When the valve core is counterclockwise rotated between 67.5 degrees and 90 degrees, interface one and interface two are communicated with interface three respectively; When the valve core is counterclockwise rotated at 90 degrees, interface one is communicated with interface three; When the valve core is counterclockwise rotated at 112.5 degrees, interface one is communicated with interface two; When the valve core rotates counterclockwise by 135°, interface one communicates with interface two, and interface three communicates with interface four; When the valve core rotates counterclockwise by 157.5°, interface one communicates with interface two; When the valve core rotates counterclockwise between 157.5° and 180°, interface two respectively communicates with interface one and interface four; When the valve core rotates counterclockwise by 180°, interface two communicates with interface four; When the valve core rotates counterclockwise by 202.5°, interface one communicates with interface four; When the valve core rotates counterclockwise by 225°, interface one communicates with interface four, and interface two communicates with interface three; When the valve core rotates counterclockwise by 247.5°, interface one communicates with interface four; When the valve core rotates counterclockwise between 247.5° and 270°, interface one respectively communicates with interface three and interface four; When the valve core rotates counterclockwise by 270°, interface one communicates with interface three; When the valve core rotates counterclockwise by 292.5°, interface three communicates with interface four; When the valve core rotates counterclockwise by 315°, interface one communicates with interface two, and interface three communicates with interface four; When the valve core rotates counterclockwise by 337.5°, interface two communicates with interface four; When the valve core rotates counterclockwise by 360°, the initial state is restored, and interface two communicates with interface four.

4. The universal four-way valve of claim 1, wherein: The valve body is spliced by two end plates and four folded plates, the end plates are distributed at both ends, the four folded plates are connected between the two end plates and are evenly distributed around the shaft, the end of the folded plate is aligned with the edge of the end plate along the line, and the two end plates and four folded plates form a cavity inside, and interfaces are formed between adjacent folded plates.

5. The universal four-way valve of claim 1, wherein: The rotating shaft is connected with the motor and driven by the motor.

6. The universal four-way valve of claim 1, wherein: The rotating shaft is connected with the manual operating member and driven by the manual operating member.

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